population has reached the critical level
51World population — estimates from 1800 to 2100, based on UN 2004 projections (red, orange, green) and US Censu …
52Puerto Ricans in the United States — Ethnic group group= Puerto Rican American Puertorriqueño Americano caption = Notable Puerto Rican Americans: Joseph M. Acaba·Ana Ortiz·Val Ramos Alexis Cruz·Jennifer Lopez·Rita Moreno poptime= Puerto Rican 4,120,205 Americans [ [http://factfinder …
54MODERN TIMES – FROM THE 1880S TO THE EARLY 21ST CENTURY — introduction effects of anti jewish discrimination in russia pogroms and mass emigration german jewry racism and antisemitism The Economic Crisis of the Early 1930s In Soviet Russia after 1917 new types of social organization contribution to… …
55History of the Netherlands — This article is part of a series Early History …
56Science and technology in the People's Republic of China — has been growing rapidly. As China develops and becomes more connected to the global economy, the government has placed a stronger emphasis on science and technology as an integral part of the socio economic development of the country. This has… …
57work, history of the organization of — Introduction history of the methods by which society structures the activities and labour necessary to its survival. work is essential in providing the basic physical needs of food, clothing, and shelter. But work involves more than the use …
58Reconstruction Era of the United States — In the history of the United States, the term Reconstruction Era has two senses: the first covers the entire nation in the period 1865–1877 following the Civil War; the second one, used in this article, covers the transformation of the Southern… …
59Capital punishment in the United States — This article is about capital punishment in the U.S. as a general overview. For the federal government s capital punishment laws, see Capital punishment by the United States federal government. Part of a series on Capital punishment …
60Denial of the Armenian Genocide — is the assertion that the Armenian Genocide did not occur in the manner or to the extent described by scholarship. The Armenian Genocide is widely acknowledged outside Turkey to have been one of the first modern, systematic genocides, [Ferguson,… …
